The leaves of Ptelea trifoliata are of medium size, composed, consisting of three small oval or lanceolate leaves, pointed, dark green; they become yellow in autumn, before falling.
In late spring, this type of shrub produces small corymbic inflorescences, consisting of small white-greenish flowers, followed in summer by green samaras, equipped with paper wings, which allow the dispersion of seeds by exploiting the autumn winds.
These plants are very decorative, suitable for mixed edges if grown as shrubs, but also as simple specimens if grown as sapling and are used for ornamental purposes.
The Ptelea trifoliata should be placed in a sunny position, or shaded for a few hours a day. The ptelee are rather rustic plants, they don’t fear the cold and can bear temperatures close to -15°C. During particularly cold winters it is advisable to protect the foliage with tnt sheets which will help the plant to withstand icy winds. It can be useful, in case of particularly rigid temperatures, to cover the base with leaves, straw or mulch.
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The Ptelea trifoliata is a rather rustic plant that adapts to different types of soil but, for the best development it is necessary to water regularly, waiting for the soil to dry up a little between one watering and the other. During the autumn and winter months it is possible to suspend watering, simply providing water on the hottest days.
Usually these plants don’t stand the drought, therefore it is advisable to intensify the watering during the summer period.
In spring, bury mature organic fertiliser or a handful of slow release granular fertiliser at the foot of the plant.
This variety of rather rustic shrubs can adapt in different typologies of soil, but, in order to have an optimal growth, it prefers fresh and light soils, very rich of organic matter, possibly well drained, but which allow the maintenance of the right degree of humidity. The important thing is to avoid the formation of water stagnations that could cause dangerous root rot.
The multiplication of these plants takes place by seed in autumn, or you can proceed by semi-woody cutting during the summer months.
Ptelea trifoliata: Pests and diseases
This type of plant is rather rustic and resistant, but can still be attacked by pests and diseases. It is important to be careful about possible attacks by mites and aphids; when these parasites occur it is necessary to intervene quickly with the use of specific insecticide substances that help to solve the problem quickly.
Excessive watering or poorly drained soil can lead to root rot, which is very dangerous for the health of the plant.